LookSmart - Offers 180+ vertical search sites, each on its own domain. Content from its own web search, FindArticles and Furl, with related news provided by Topix. Company profile and information for searchers, publishers and advertisers. -- http://search.looksmart.com/

Google - Enables users to search the Web, Usenet, and images. Features include PageRank, caching and translation of results, and an option to find similar pages. The company's focus is developing search technology. -- http://www.google.com